Patent · US Expired

Process for the production of 3-oxonitriles

US4728743A · kind A · utility

8Cited by

4References

6Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Karlheinz Drauz · Alzenau, DE
Axel Kleemann · Hanau, DE
Elizabeth Wolf-Heuss · Mosbach, DE

Key dates

Filing date	Jul 13, 1987
Grant date	Mar 1, 1988
Priority date	—
Expiry date	Jul 13, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D333/24
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

3-oxonitriles are produced by reaction of carboxylic acid esters with carboxylic acid nitriles in the presence of 70 to 80% suspension of sodium hydride in white oil. The oxonitrile are intermediate products for the production of 3-oxocarboxylic acid amides or esters and pesticides.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.